Test two HTML strings for equivalency (e.g., identical up to reordering of attributes)
# assert that the referenced method generates the appropriate HTML string assert_dom_equal '<a href="http://www.example.com">Apples</a>', link_to("Apples", "http://www.example.com")
# File lib/action_controller/assertions/dom_assertions.rb, line 23 def assert_dom_equal(expected, actual, message = "") clean_backtrace do expected_dom = HTML::Document.new(expected).root actual_dom = HTML::Document.new(actual).root DomAssertions.strip_whitespace!(expected_dom.children) DomAssertions.strip_whitespace!(actual_dom.children) full_message = build_message(message, "<?> expected but was\n<?>.", expected_dom.to_s, actual_dom.to_s) assert_block(full_message) { expected_dom == actual_dom } end end
The negated form of assert_dom_equal.
# assert that the referenced method does not generate the specified HTML string assert_dom_not_equal '<a href="http://www.example.com">Apples</a>', link_to("Oranges", "http://www.example.com")
# File lib/action_controller/assertions/dom_assertions.rb, line 42 def assert_dom_not_equal(expected, actual, message = "") clean_backtrace do expected_dom = HTML::Document.new(expected).root actual_dom = HTML::Document.new(actual).root DomAssertions.strip_whitespace!(expected_dom.children) DomAssertions.strip_whitespace!(actual_dom.children) full_message = build_message(message, "<?> expected to be != to\n<?>.", expected_dom.to_s, actual_dom.to_s) assert_block(full_message) { expected_dom != actual_dom } end end
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